DR. ANNIE DU YANG MD
NPI 1962069849
Psychiatry & Neurology - Neurology in Fairfax, VA

Q: What is Annie Yang's NPI number?

The NPI number for Annie Yang is 1962069849. It was assigned to this individual provider in the NPPES registry on May 25, 2019.

Q: What is Annie Yang's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Annie Yang was last updated on September 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 25, 2019PECOS EnrolledAccepts Medicare Assignment

3620 JOSEPH SIEWICK DR STE 400, FAIRFAX, VA 22033(571) 472-4200(571) 432-3155 Get Directions Write a Review

NPPES record last updated: September 29, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 30, 2024, Jul 5, 2023, Jun 3, 2019 and 1 more (4 updates tracked since 2019).

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About Dr. Annie Du Yang Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANNIE DU YANG MD (NPI 1962069849) is an individual neurology provider in Fairfax, Virginia, licensed in Virginia (0101278414) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS, is affiliated with Inova Loudoun Hospital, and is a graduate of New York University School Of Medicine (2019).

NPPES Registry Identity

NPI1962069849

Entity TypeIndividualFemale

Primary Taxonomy2084N0400X

Provider Legal NameDR. ANNIE DU YANGCredential: MD

Location Address3620 JOSEPH SIEWICK DR STE 400Fairfax, VA 22033-1761

Mailing Address3620 Joseph Siewick Dr Ste 400Fairfax, VA 22033-1761 · (571) 472-4200 · Fax (571) 432-3155

Phone(571) 472-4200

Fax(571) 432-3155

Sole ProprietorNo

Medical School CMSNew York University School Of MedicineGraduated 2019

Enumeration DateMay 25, 2019

Last NPPES UpdateSeptember 29, 20254 updates tracked since enumeration

NPPES CertifiedSeptember 29, 2025

✔ NPI 1962069849 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in VA · 0101278414

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

3620 JOSEPH SIEWICK DR STE 400, Fairfax, VA 22033

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Annie Du Yang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2769717834

PECOS Enrollment IDI20241017002587, I20241030003649

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Needle measurement of electrical activity in arm or leg muscles, complete study 95886

This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.

21 services14 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Inova Loudoun Hospital

Acute Care Hospitals · Leesburg, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490043

Location44045 Riverside ParkwayLeesburg, VA 20176 · Loudoun County

Emergency services Birthing friendly

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490063

Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County

Emergency services Birthing friendly

Inova Fair Oaks Hospital

Acute Care Hospitals · Fairfax, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number490101

Location3600 Joseph Siewick DriveFairfax, VA 22033 · Fairfax County

Birthing friendly

Inova Mount Vernon Hospital

Acute Care Hospitals · Alexandria, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490122

Location2501 Parkers LaneAlexandria, VA 22306 · Fairfax County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ALISON BLACK D.O.

Obstetrics & Gynecology

3620 JOSEPH SIEWICK DR STE 400
FAIRFAX, VA 22033

Fairfax County (703) 264-7801

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Annie Yang's NPI number?

The NPI number for Annie Yang is 1962069849. It was assigned to this individual provider in the NPPES registry on May 25, 2019.

Where is Annie Yang located?

Annie Yang practices at 3620 Joseph Siewick Dr Ste 400, Fairfax, VA 22033. The listed phone number is (571) 472-4200.

What is Annie Yang's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Annie Yang enrolled in Medicare?

Yes. Annie Yang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Annie Yang affiliated with any hospitals?

According to CMS data, Annie Yang is affiliated with Inova Loudoun Hospital, Inova Fairfax Hospital, Inova Fair Oaks Hospital and Inova Mount Vernon Hospital.

When was this NPI record last updated?

The NPPES record for Annie Yang was last updated on September 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.